<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>登录成功</title>
    <style>
    .center {
    margin: auto;
    width: 20%;
    border: 3px solid #73AD21;
    padding: 5px;
    text-align: center;
    }
    </style>
</head>
 
 
<body>
   <div class="center">
	  	<h1>登录成功</h1>	  
	    <span class="btn btn-default"> <a href="/hello" role="button"> [退出]</a></span>	  
	</div>
</body>
</html>